package com.zpc.rabbitmq.routing;

import java.io.IOException;

import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;
import com.zpc.rabbitmq.util.ConnectionUtil;

public class Recv2 {
    private final static String QUEUE_NAME = "direct_exchange_queue_email";//邮件队列
    private final static String EXCHANGE_NAME = "test_direct_exchange";

    public static void main(String[] args) throws Exception{
        // 获取到连接
        Connection connection = ConnectionUtil.getConnection();
        // 获取通道
        Channel channel = connection.createChannel();
        // 声明队列
        channel.queueDeclare(QUEUE_NAME,false,false,false,null);
        // 绑定队列到交换机，同时指定需要订阅的routing key。可以指定多个
        channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"email");//指定接收发送方指定routing key为email的消息

        // 定义队列的消费者
        DefaultConsumer consumer = new DefaultConsumer(channel){
            // 获取消息，并且处理，这个方法类似事件监听，如果有消息的时候，会被自动调用
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                // body 即消息体
                String msg = new String(body);
                System.out.println(" [邮件服务] received : " + msg + "!");
            }
        };
        // 监听队列，自动ACK
        channel.basicConsume(QUEUE_NAME,true,consumer);
    }
}
